[vsnet-grb-info 4772] GRB 070612B: Swift XRT position from downlink
data
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Tue Jun 12 16:49:43 JST 2007
TITLE: GCN CIRCULAR
NUMBER: 6514
SUBJECT: GRB 070612B: Swift XRT position from downlink data
DATE: 07/06/12 07:49:35 GMT
FROM: Dirk Grupe at PSU/Swift-XRT <grupe at astro.psu.edu>
D. Grupe (PSU), P. Evans (U Leicester), report on behalf of the Swift Team:
Swift XRT started observing the afterglow of GRB 070612B (GCN circ 6511)
at 07:15:15.59, 3239s after the BAT trigger. We found a bright,
uncatalogued, possibly fading source in the XRT data.
Using 272 of prompt downlinked data, we find a position RA, Dec
261.7267, -8.7524 which is
RA(J2000) = 17 26 54.4
Dec(J2000) = -08 45 08.7
with an uncertainty of 4.7 arcsec (radius, 90% containment).
Further analysis of the data will be performed with the ground-processed
data.
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